Fluid handling – With repair – tapping – assembly – or disassembly means – With holding means functioning only during transportation...
Patent
1990-02-05
1990-11-06
Hepperle, Stephen M.
Fluid handling
With repair, tapping, assembly, or disassembly means
With holding means functioning only during transportation...
1374546, F16K 504
Patent
active
049677870
ABSTRACT:
In a right angle body fluid flow restrictor valve having a flow passageway between its ports opened and closed by superposed multiple orifice discs controlled by a yoke connected with one of the discs and having a yoke stem projecting outwardly of the valve body through a valve body bonnet. A sleeve cage nested by a valve body counterbore intersects the passageway and surrounds the yoke and discs. The valve bonnet, yoke, sleeve cage and discs form a unitized assembly easily removed from and reinserted into the valve body for repair or replacement of worn valve components without disconnecting the valve body from a flow line. The unitized assembly components are fail-safe indexed with each other, the valve body and valve control to insure a selected open, closed or partially open flow passageway through the valve.
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patent: 4738277 (1988-04-01), Thomas
patent: 4771805 (1988-09-01), Maa
Hepperle Stephen M.
Rhea Robert K.
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